In-wall audio system controller



FIG. 1 is a front view.

FIG. 2 is a left side view.

FIG. 3 is a right side view.

FIG. 4 is a top view.

FIG. 5 is a bottom view; and,

FIG. 6 is a perspective view.

Portions of the drawings shown with broken lines form no part of the claimed design.

This article is a keypad and display intended to be used with an in-wall audio-visual system controller. 

The ornamental design for an in-wall audio system controller, as shown and described. 